期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 166, 期 -, 页码 665-670出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2012.03.034
关键词
Coumarin-based; Fluorescence spectra; Bisulfite anion
资金
- National Natural Science Foundation of China [20801032, 21072119, 21102086]
- Shanxi Province Science Foundation for Youths [2009021006-2]
- Shanxi Province Foundation for Returnee [200815]
- Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi (TYAL)
- Shanxi Province Foundation for Selected Returnees [2010]
- Shanxi Province Graduate Innovation and Creativity Funds [20103019]
A simple aldehyde-functionalized coumarin (7-diethylaminocoumarin-3-aldehyde) was utilized for the selective detection of bisulfite anions in water. The probe has exhibited a selective and sensitive response to the bisulfite anion against other anions, including Cys. through the nucleophilic addition of the bisulfite to probe. The fluorescence of the probe changes upon the addition of bisulfite anions, such that millimolar concentrations of bisulfite are detectable. Moreover, the sensor can also be applied to detect the level of bisulfite in sugar samples. (C) 2012 Elsevier B.V. All rights reserved.
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